The principle of stainless steel heating tube heating in equipment

The principle of stainless steel heating tube heating in equipment

The stainless steel heating tube is made of a high temperature resistant stainless steel seamless tube with high temperature electric furnace wires uniformly distributed in the tube, and the gap is densely filled with crystalline magnesium oxide powder with good thermal conductivity and insulation performance. This structure is not only advanced, but also has high thermal efficiency. Moreover, the heating is uniform. When the current passes through the high-temperature resistance wire, the heat generated is diffused to the surface of the metal pipe through the crystalline magnesium oxide powder, and then transferred to the heated part or the air to achieve the purpose of heating.

According to the strength of acid and alkali, we generally choose the order of materials: stainless steel 304 heating tube, stainless steel 316 heating tube, Teflon heating tube, titanium heating tube. Prices have also increased sequentially. The selection of the jacket material of the heating tube will affect the performance of the heating tube in different environments, and the electric heating element is better than other metal heating types. In the selection process, customers need to select the most suitable heating element according to actual needs.

Teflon heating tube is also called Teflon heating tube, polytetrafluoroethylene heating tube, commonly known as PTFE tube. Teflon heating tubes are generally suitable for corrosive liquids such as strong acids and alkalis. The general process temperature is ≦105℃. The advantages of Teflon heating tubes are non-sticking, non-scaling, uniform surface heat dissipation, but the price is also high , Due to the low temperature requirement, the surface load should not be too high when designing, so the Teflon heating tube has low power and high cost, so there are few customers who use Teflon heating tube.

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